VulnerabilityModified
CVE-2015-3294
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed…
MEDIUM 6.4EPSS 4.42%
Does this matter?
Lower severity and a low EPSS score (4.42%). Track it; it rarely justifies an emergency change on its own.
Description
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
- CVSS 2.0
- 6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P
- EPSS
- 4.42% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-19
- Affected
- thekelleys/dnsmasq · oracle/solaris
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.htmlExploit
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.htmlThird Party Advisory
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8
- http://www.debian.org/security/2015/dsa-3251Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/535354/100/1100/threaded
- http://www.securityfocus.com/bid/74452
- http://www.securitytracker.com/id/1032195
- http://www.ubuntu.com/usn/USN-2593-1Vendor Advisory
- https://security.gentoo.org/glsa/201512-01
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.htmlExploit
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.htmlThird Party Advisory
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8
- http://www.debian.org/security/2015/dsa-3251Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/535354/100/1100/threaded
- http://www.securityfocus.com/bid/74452
- http://www.securitytracker.com/id/1032195
- http://www.ubuntu.com/usn/USN-2593-1Vendor Advisory
- https://security.gentoo.org/glsa/201512-01
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.